/*
- * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2008-2017 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
*/
#include <stdio.h>
-#include <ctype.h>
+#include "internal/ctype.h"
#include "internal/cryptlib.h"
#include <openssl/rand.h>
#include <openssl/x509.h>
static char *strip_ends(char *name);
static char *strip_start(char *name);
static char *strip_end(char *name);
-static MIME_HEADER *mime_hdr_new(char *name, char *value);
-static int mime_hdr_addparam(MIME_HEADER *mhdr, char *name, char *value);
+static MIME_HEADER *mime_hdr_new(const char *name, const char *value);
+static int mime_hdr_addparam(MIME_HEADER *mhdr, const char *name, const char *value);
static STACK_OF(MIME_HEADER) *mime_parse_hdr(BIO *bio);
static int mime_hdr_cmp(const MIME_HEADER *const *a,
const MIME_HEADER *const *b);
static int mime_param_cmp(const MIME_PARAM *const *a,
const MIME_PARAM *const *b);
static void mime_param_free(MIME_PARAM *param);
-static int mime_bound_check(char *line, int linelen, char *bound, int blen);
-static int multi_split(BIO *bio, char *bound, STACK_OF(BIO) **ret);
+static int mime_bound_check(char *line, int linelen, const char *bound, int blen);
+static int multi_split(BIO *bio, const char *bound, STACK_OF(BIO) **ret);
static int strip_eol(char *linebuf, int *plen, int flags);
-static MIME_HEADER *mime_hdr_find(STACK_OF(MIME_HEADER) *hdrs, char *name);
-static MIME_PARAM *mime_param_find(MIME_HEADER *hdr, char *name);
+static MIME_HEADER *mime_hdr_find(STACK_OF(MIME_HEADER) *hdrs, const char *name);
+static MIME_PARAM *mime_param_find(MIME_HEADER *hdr, const char *name);
static void mime_hdr_free(MIME_HEADER *hdr);
#define MAX_SMLEN 1024
|| hdr->value == NULL) {
sk_MIME_HEADER_pop_free(headers, mime_hdr_free);
ASN1err(ASN1_F_SMIME_READ_ASN1, ASN1_R_NO_SIG_CONTENT_TYPE);
+ sk_BIO_pop_free(parts, BIO_vfree);
return NULL;
}
* canonical parts in a STACK of bios
*/
-static int multi_split(BIO *bio, char *bound, STACK_OF(BIO) **ret)
+static int multi_split(BIO *bio, const char *bound, STACK_OF(BIO) **ret)
{
char linebuf[MAX_SMLEN];
int len, blen;
char *p, *q, c;
char *ntmp;
char linebuf[MAX_SMLEN];
- MIME_HEADER *mhdr = NULL;
+ MIME_HEADER *mhdr = NULL, *new_hdr = NULL;
STACK_OF(MIME_HEADER) *headers;
int len, state, save_state = 0;
return NULL;
while ((len = BIO_gets(bio, linebuf, MAX_SMLEN)) > 0) {
/* If whitespace at line start then continuation line */
- if (mhdr && isspace((unsigned char)linebuf[0]))
+ if (mhdr && ossl_isspace(linebuf[0]))
state = MIME_NAME;
else
state = MIME_START;
if (c == ';') {
mime_debug("Found End Value\n");
*p = 0;
- mhdr = mime_hdr_new(ntmp, strip_ends(q));
- sk_MIME_HEADER_push(headers, mhdr);
+ new_hdr = mime_hdr_new(ntmp, strip_ends(q));
+ if (new_hdr == NULL)
+ goto err;
+ if (!sk_MIME_HEADER_push(headers, new_hdr))
+ goto err;
+ mhdr = new_hdr;
+ new_hdr = NULL;
ntmp = NULL;
q = p + 1;
state = MIME_NAME;
}
if (state == MIME_TYPE) {
- mhdr = mime_hdr_new(ntmp, strip_ends(q));
- sk_MIME_HEADER_push(headers, mhdr);
+ new_hdr = mime_hdr_new(ntmp, strip_ends(q));
+ if (new_hdr == NULL)
+ goto err;
+ if (!sk_MIME_HEADER_push(headers, new_hdr))
+ goto err;
+ mhdr = new_hdr;
+ new_hdr = NULL;
} else if (state == MIME_VALUE)
mime_hdr_addparam(mhdr, ntmp, strip_ends(q));
if (p == linebuf)
return headers;
+err:
+ mime_hdr_free(new_hdr);
+ sk_MIME_HEADER_pop_free(headers, mime_hdr_free);
+ return NULL;
}
static char *strip_ends(char *name)
/* Else null string */
return NULL;
}
- if (!isspace((unsigned char)c))
+ if (!ossl_isspace(c))
return p;
}
return NULL;
*p = 0;
return name;
}
- if (isspace((unsigned char)c))
+ if (ossl_isspace(c))
*p = 0;
else
return name;
return NULL;
}
-static MIME_HEADER *mime_hdr_new(char *name, char *value)
+static MIME_HEADER *mime_hdr_new(const char *name, const char *value)
{
MIME_HEADER *mhdr = NULL;
char *tmpname = NULL, *tmpval = NULL, *p;
- int c;
if (name) {
if ((tmpname = OPENSSL_strdup(name)) == NULL)
return NULL;
- for (p = tmpname; *p; p++) {
- c = (unsigned char)*p;
- if (isupper(c)) {
- c = tolower(c);
- *p = c;
- }
- }
+ for (p = tmpname; *p; p++)
+ *p = ossl_tolower(*p);
}
if (value) {
if ((tmpval = OPENSSL_strdup(value)) == NULL)
goto err;
- for (p = tmpval; *p; p++) {
- c = (unsigned char)*p;
- if (isupper(c)) {
- c = tolower(c);
- *p = c;
- }
- }
+ for (p = tmpval; *p; p++)
+ *p = ossl_tolower(*p);
}
mhdr = OPENSSL_malloc(sizeof(*mhdr));
if (mhdr == NULL)
return NULL;
}
-static int mime_hdr_addparam(MIME_HEADER *mhdr, char *name, char *value)
+static int mime_hdr_addparam(MIME_HEADER *mhdr, const char *name, const char *value)
{
char *tmpname = NULL, *tmpval = NULL, *p;
- int c;
MIME_PARAM *mparam = NULL;
+
if (name) {
tmpname = OPENSSL_strdup(name);
if (!tmpname)
goto err;
- for (p = tmpname; *p; p++) {
- c = (unsigned char)*p;
- if (isupper(c)) {
- c = tolower(c);
- *p = c;
- }
- }
+ for (p = tmpname; *p; p++)
+ *p = ossl_tolower(*p);
}
if (value) {
tmpval = OPENSSL_strdup(value);
if (!(*a)->name || !(*b)->name)
return ! !(*a)->name - ! !(*b)->name;
- return (strcmp((*a)->name, (*b)->name));
+ return strcmp((*a)->name, (*b)->name);
}
static int mime_param_cmp(const MIME_PARAM *const *a,
{
if (!(*a)->param_name || !(*b)->param_name)
return ! !(*a)->param_name - ! !(*b)->param_name;
- return (strcmp((*a)->param_name, (*b)->param_name));
+ return strcmp((*a)->param_name, (*b)->param_name);
}
/* Find a header with a given name (if possible) */
-static MIME_HEADER *mime_hdr_find(STACK_OF(MIME_HEADER) *hdrs, char *name)
+static MIME_HEADER *mime_hdr_find(STACK_OF(MIME_HEADER) *hdrs, const char *name)
{
MIME_HEADER htmp;
int idx;
- htmp.name = name;
+
+ htmp.name = (char *)name;
+ htmp.value = NULL;
+ htmp.params = NULL;
+
idx = sk_MIME_HEADER_find(hdrs, &htmp);
if (idx < 0)
return NULL;
return sk_MIME_HEADER_value(hdrs, idx);
}
-static MIME_PARAM *mime_param_find(MIME_HEADER *hdr, char *name)
+static MIME_PARAM *mime_param_find(MIME_HEADER *hdr, const char *name)
{
MIME_PARAM param;
int idx;
- param.param_name = name;
+
+ param.param_name = (char *)name;
+ param.param_value = NULL;
idx = sk_MIME_PARAM_find(hdr->params, ¶m);
if (idx < 0)
return NULL;
static void mime_hdr_free(MIME_HEADER *hdr)
{
+ if (hdr == NULL)
+ return;
OPENSSL_free(hdr->name);
OPENSSL_free(hdr->value);
if (hdr->params)
* 1 : part boundary
* 2 : final boundary
*/
-static int mime_bound_check(char *line, int linelen, char *bound, int blen)
+static int mime_bound_check(char *line, int linelen, const char *bound, int blen)
{
if (linelen == -1)
linelen = strlen(line);
int len = *plen;
char *p, c;
int is_eol = 0;
- p = linebuf + len - 1;
+
for (p = linebuf + len - 1; len > 0; len--, p--) {
c = *p;
if (c == '\n')